Complete the indicated task to unlock the achievement.

Achievement	How to unlock
Absolute Zero	Use Ice Tower to freeze 2500 enemies.
Buried and at Rest	Defeat 2800 skeleton enemies.
Cool Down	Unknown.
Defenders of Land	Unlock all heroes.
Don't get on board!	Unknown.
Excellent Architect	Unlock all towers.
First Success	Win the first stage with three stars.
Friend of Elves	Unknown.
Indesicion	Sell five towers in a single level.
Lightning King	Defeat 3200 enemies using Lightning Tower.
Listen to me,thank you...	Unknown.
Loyal Helpers	Summon 180 soldiers.
Master of Tactics	Change soldier's rally point sixty times.
Property Developer	Build 400 towers.
Queen's Approval	Unknown.
Rich Guy	Spend 7000 coins.
Rivers of Blood III	Slay 15000 enemies.
Rivers of Blood II	Slay 9000 enemies.
Rivers of Blood I	Slay 3000 enemies.
The Millionaire	Spend 14000 coins.
Warrior of the Sun	Upgrade the Prince to full level.
You set me up!	Defeat 3200 enemies using Wicthcraft Tower.